HTTP server work

packages/server/src/express.ts

@@ -1,4 +1,4 @@
-import { Context, Effect, Layer } from "effect"
+import { Config, Context, Effect, Layer } from "effect"
 import express from "express"
 
 
@@ -7,13 +7,16 @@ export const ExpressLive = Layer.sync(Express, () => express())
 
 
 export const ServerLive = Layer.scopedDiscard(Effect.gen(function*() {
-    const port = 8080
-    const app = yield* Express
+    const app  = yield* Express
+    const port = yield* Config.number("PORT").pipe(Config.withDefault(8080))
 
     yield* Effect.acquireRelease(
         Effect.sync(() =>
-            app.listen(port, () => console.log(`Example app listening on port ${ port }`))
+            app.listen(port, () => console.log(`HTTP server listening on ${ port }.`))
+        ),
+
+        server => Effect.sync(() =>
+            server.close()
         ),
-        server => Effect.sync(() => server.close()),
     )
 }))